Telephone base unit



FIG. 1 is a perspective view of a telephone base unit in accordance with the present design, shown with its rear support stand attached such as for upright tabletop presentation wherein the broken line showing of a telephone handset in its cradle is for illustrative purposes only, and forms no part of the claimed design;

FIG. 2 is a second perspective view thereof, with the handset removed from its cradle;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view of thereof;

FIG. 5 is a rear elevation view of thereof showing the telephone base unit with its rear support stand detached such as for flat tabletop presentation or wall mounting;

FIG. 6 is a right elevation view of FIG. 1B;

FIG. 7 is a left elevation view of thereof;

FIG. 8 is a top elevation view of thereof; and,

FIG. 9 is a bottom elevation view of thereof. 

The ornamental design for a telephone base unit, substantially as shown and described. 